2009 Cadillac STS vs. 2009 Chevrolet Tahoe
To start off, both 2009 Cadillac STS and 2009 Chevrolet Tahoe were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,800 cc (8 cylinders), 2009 Chevrolet Tahoe is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (321 HP @ 6400 RPM) has 30 more horse power than 2009 Chevrolet Tahoe. (291 HP @ 5600 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2009 Chevrolet Tahoe. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Tahoe weights approximately 600 kg more than 2009 Cadillac STS.
Because 2009 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2009 Chevrolet Tahoe. In wet, icy, snow, or gravel driving conditions, 2009 Cadillac STS will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Cadillac STS (427 Nm @ 4400 RPM) has 121 more torque (in Nm) than 2009 Chevrolet Tahoe. (306 Nm @ 4800 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 Chevrolet Tahoe.
Compare all specifications:
| 2009 Cadillac STS | 2009 Chevrolet Tahoe | |
| Make | Cadillac | Chevrolet |
| Model | STS | Tahoe |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 4800 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 321 HP | 291 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 427 Nm | 306 Nm |
| Torque RPM | 4400 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 9 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1820 kg | 2420 kg |
| Vehicle Length | 4990 mm | 3930 mm |
| Vehicle Width | 1850 mm | 2010 mm |
| Vehicle Height | 1470 mm | 1960 mm |
| Wheelbase Size | 2960 mm | 2950 mm |
| Fuel Tank Capacity | 66 L | 98 L |
